Learn more

BEIJING LIUHE GREATNESS TECH CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    78,315
  • Filing trend
    ⇧ 20.0%
About

BEIJING LIUHE GREATNESS TECH CO LTD has a total of 21 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and electrical machinery and energy are METROL TECH LTD, HALLIBURTON MFG AND SERVICES LTD and DEVON CANADA CORP.

Patent filings in countries

World map showing BEIJING LIUHE GREATNESS TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing BEIJING LIUHE GREATNESS TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Jianyu 18
#2 Wu Lan 3
#3 Li Yiwu 3
#4 Deng Ke 3
#5 Yang Yong 3
#6 Wang Yu 2
#7 Zhang Dongdong 2
#8 Zheng Xuefeng 2
#9 Wang Jianyu 1
#10 Wang Yun 1

Latest patents

Publication Filing date Title
CN112177592A Intelligent measurement and control system for ultra-short radius well position
CN112160745A EMWD electromagnetic wave measuring system suitable for diamond core drilling
CN111075436A Small-size rotary valve pulser of resistant scouring
CN110273677A A kind of short radius directional tool
CN110230490A A kind of method and apparatus suitable for measuring formation fluid downhole pressure
CN110331948A A kind of lower seat key MWD underground multifunctional pipe nipple
CN109555513A A kind of dynamic orientation gamma survey system based on fluxgate
CN109296316A A kind of rotary steering bottom hole assembly
CN108798644A A kind of brill survey deviational survey data QC check methods
CN108678734A A kind of nearly drill bit measuring device that the scope of application is big
CN108661573A A kind of wireless drift indicator uses foldable centralizer
CN109031427A A kind of rotary magnetic range-measurement system and its distance measuring method
CN108331577A Through non magnetic drill collar and MWD wireless communication systems and method in oil drilling
CN109973046A ZFD type leak stopping system
CN108019207A A kind of measuring method of SYMMETRIC ELECTROMAGNETIC ripple resistivity
CN108104803A One kind can salvage suspension rotary rotary valve pulser system
CN106936477A A kind of magnetic coupling connector
CN106121633A High temperature high precision water-level gauge for geothermal well monitoring system
CN106026622A Power saving circuit of exploring tube
CN106197720A Orientation sensor circuit without temperature calibration